Journal
FEBS LETTERS
Volume 591, Issue 18, Pages 2836-2847Publisher
WILEY
DOI: 10.1002/1873-3468.12782
Keywords
FXR; GW4064; NLRP3 inflammasome
Funding
- National Natural Science Foundation of China [81302455, 31471297]
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GW4064 is a small molecule known to be an agonist of the nuclear farnesoid X receptor (FXR). We found that GW4064 inhibits the NLR family CARD domain containing 3 (NLRP3) inflammasome activation in an FXR-independent manner as evidenced by its similar inhibitory effect on NLRP3 inflammasome activation in FXR-deficient macrophages. Interestingly, GW4064 decreases the nigericin-induced oligomerization and ubiquitination of ASC which is critical for the NLRP3 inflammasome activation. In vivo results indicate that GW4064 could partially rescue the symptoms of NLRP3-dependent inflammatory disease models. These results not only necessitate cautious interpretation of the biological function of GW4064 as an FXR agonist, but also provide a potential therapeutic approach using GW4064 in the treatment of NLRP3-related diseases.
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